Royston, Canada experiences average highs of 14°C (57°F) and lows of 8°C (46°F) throughout the year. Rainfall is frequent, averaging about 15 rainy days per month. Average highs have stayed broadly stable across the available records.
Royston, Canada Weather & Climate 2026
Monthly climate averages for Royston, Canada. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Apr–Sep 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.8/10
Best: June, July, August, September
UV Index
4
Low
Temperature 14°C / 8°C
Feels Like 13°C / 6°C
Rainy Days 15
Rainfall 171 mm
Sunshine 8 h
Humidity 81%
Wind Speed 13 km/h
Dew Point 8°C
Snow Days 6 days
Frost Days 5 days
Hottest Month
25°C
August
Avg Low17°C
Rain7days
Coldest Month
1°C
February
Avg High6°C
Rain17days
Driest Month
6days
July
Avg High25°C
Avg Low16°C
Windiest Month
15 km/h
November (Gusts 34)
Sea Temperature
7°C – 18°C
Warmest water: August (
18.4°C
)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 05:13
Daylight 16.3h
Sunset 21:30
Live conditions—
Royston on the map · live conditions
Royston, Canada
- Continent
- Americas
- Country
- Canada
- City
- Royston
- Population
- 1.6K
- Coordinates
- 49.65°, -124.95°
Seasonal Breakdown
Spring
Mar–May
Avg High 13°C
Avg Low 6°C
Rain 15 days/mo
Summer
Jun–Aug
Avg High 23°C
Avg Low 15°C
Rain 8 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 14°C
Avg Low 9°C
Rain 18 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 6°C
Avg Low 2°C
Rain 20 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 6°C / 2°C . Feb: 6°C / 1°C . Mar: 9°C / 3°C . Apr: 13°C / 5°C . May: 18°C / 9°C . Jun: 21°C / 12°C . Jul: 25°C / 16°C . Aug: 25°C / 17°C . Sep: 20°C / 14°C . Oct: 14°C / 9°C . Nov: 8°C / 5°C . Dec: 6°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 314 mm. Feb: 163 mm. Mar: 175 mm. Apr: 130 mm. May: 74 mm. Jun: 71 mm. Jul: 30 mm. Aug: 56 mm. Sep: 146 mm. Oct: 253 mm. Nov: 339 mm. Dec: 302 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 90%. Feb: 84%. Mar: 83%. Apr: 78%. May: 73%. Jun: 73%. Jul: 70%. Aug: 73%. Sep: 82%. Oct: 87%. Nov: 91%. Dec: 91%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 14 km/h . Feb: 13 km/h . Mar: 14 km/h . Apr: 14 km/h . May: 12 km/h . Jun: 12 km/h . Jul: 11 km/h . Aug: 11 km/h . Sep: 12 km/h . Oct: 14 km/h . Nov: 15 km/h . Dec: 14 km/h .
Sunshine
Sunshine
Sunshine: Jan: 3h. Feb: 5h. Mar: 7h. Apr: 9h. May: 11h. Jun: 12h. Jul: 13h. Aug: 12h. Sep: 9h. Oct: 6h. Nov: 4h. Dec: 3h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 8°C . Feb: 7°C . Mar: 8°C . Apr: 9°C . May: 12°C . Jun: 15°C . Jul: 18°C . Aug: 18°C . Sep: 17°C . Oct: 13°C . Nov: 10°C . Dec: 9°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 3. Apr: UV 5. May: UV 6. Jun: UV 6. Jul: UV 7. Aug: UV 6. Sep: UV 4. Oct: UV 3. Nov: UV 1. Dec: UV 1.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 8 days. Feb: 8 days. Mar: 6 days. Apr: 2 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 4 days. Dec: 10 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 56 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 26°C | Aug · 25°C |
| Coldest month | Feb 2025 · 0°C | Feb · 1°C |
| Wettest month | Oct 2025 · 351 mm | Nov · 339 mm |
| Windiest month | Oct 2025 · 16 km/h | Nov · 15 km/h |
Month-by-Month Weather Table
January
Wet 
February
Poor March
Wet April
Poor May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Wet November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 6°C / 2°C | 3°C / -1°C | 20days (314 mm) Wet | 3.2h Poor | 90% Very Muggy | 1.1 Low | Wet | View Details |
| February | 6°C / 1°C | 3°C / -2°C | 17days (163 mm) Wet | 4.9h Fair | 84% Humid | 1.9 Low | Poor | View Details |
| March | 9°C / 3°C | 6°C / 0°C | 18days (175 mm) Wet | 6.7h Fair | 83% Humid | 3 Moderate | Wet | View Details |
| April | 13°C / 5°C | 11°C / 2°C | 16days (130 mm) Wet | 8.8h Good | 78% Humid | 4.7 Moderate | Poor | View Details |
| May | 18°C / 9°C | 17°C / 7°C | 11days (74 mm) Wet | 11.2h Excellent | 73% Muggy | 5.7 High | Good | View Details |
| June best | 21°C / 12°C | 20°C / 11°C | 11days (71 mm) Wet | 11.8h Excellent | 73% Muggy | 6.4 High | Excellent | View Details |
| July best | 25°C / 16°C | 25°C / 16°C | 6days (30 mm) Good | 13.1h Excellent | 70% Muggy | 6.7 High | Excellent | View Details |
| August best | 25°C / 17°C | 26°C / 17°C | 7days (56 mm) Good | 11.6h Excellent | 73% Muggy | 5.7 High | Excellent | View Details |
| September best | 20°C / 14°C | 20°C / 13°C | 13days (146 mm) Wet | 8.6h Good | 82% Humid | 4.3 Moderate | Excellent | View Details |
| October | 14°C / 9°C | 12°C / 7°C | 18days (253 mm) Wet | 5.8h Fair | 87% Very Muggy | 2.5 Moderate | Wet | View Details |
| November | 8°C / 5°C | 6°C / 2°C | 22days (339 mm) Wet | 3.5h Poor | 91% Very Muggy | 1.3 Low | Wet | View Details |
| December | 6°C / 2°C | 3°C / -1°C | 22days (302 mm) Wet | 2.9h Poor | 91% Very Muggy | 0.7 Low | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Royston are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Royston, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Royston is August, with average daytime highs of 25°C (77°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Royston is February, with average overnight lows of 1°C (34°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Royston is November, averaging 339mm of precipitation across 22 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Royston runs through November, December, January, March, with the heaviest rainfall in November. Based on 10-year averages for Royston.
Royston receives approximately 92 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Royston.
The least favorable months to visit Royston are January, February, November, December, primarily due to very cold temperatures, heavy rainfall. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Royston is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Royston is 81%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Sea temperatures in Summer average 12°C (54°F), which most swimmers will find too cold without a wetsuit.
Yes, Royston receives snow. Months with snowfall average 6 snow days and 17 cm (7 in) of accumulation, with about 5 frost days during winter.
Average wind speeds in Royston are 13 km/h (8 mph). The windiest month is November with peak winds reaching 15 km/h (9 mph) (gusts up to 34 km/h / 21 mph).
Royston averages 4 clear-sky days per month with overall cloud cover around 66%. The clearest skies occur in August.
The annual average dew point in Royston is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Royston has a Warm-Summer Mediterranean climate, classified as Csb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Royston ranges from 6°C (43°F) to 13°C (55°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Royston. It earns a climate score of 7.9/10 with Excellent.
For June in Royston, pack Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 21°C (69°F) and 11 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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